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https://www.readbyqxmd.com/read/28631775/-innovations-in-the-treatment-of-ovarian-cancer-analysis-of-the-therapeutic-development-from-platinum-to-immunotherapy
#1
Gesuino Angius, Pierangela Sepe, Anselmo Papa, Silverio Tomao, Federica Tomao
Ovarian cancer is the seventh most common cancer in women. The therapeutic approach provides for an appropriate integration between surgery and chemotherapy. Surgery is an important step for diagnosis, staging and therapy, aiming at the complete cytoreduction of all macroscopic visible disease. At the moment, adjuvant and first-line chemotherapy has as a standard the carboplatin-paclitaxel combination. Further, the addition of bevacizumab in the advanced stage (IIIB-IV) is strongly recommended. Despite the initial effectiveness, however, 70-80% of patients develop relapsed disease within the first two years and require subsequent treatment lines that have palliative, rather than curative purposes and that seek to reach a chronic state for the disease...
June 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28628771/lentinan-diminishes-apoptotic-bodies-in-the-ileal-crypts-associated-with-s-1-administration
#2
Yasuyo Suga, Kenji Takehana
S-1 is an oral agent containing tegafur (a prodrug of 5-fluorouracil) that is used to treat various cancers, but adverse effects are frequent. Two pilot clinical studies have suggested that lentinan (LNT; β-1,3-glucan) may reduce the incidence of adverse effects caused by S-1 therapy. In this study, we established a murine model for assessment of gastrointestinal toxicity associated with S-1 and studied the effect of LNT. S-1 was administered orally to BALB/c mice at the effective dose (8.3mg/kg, as tegafur equivalent) once daily (5days per week) for 3weeks...
June 16, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28627697/cancer-drug-delivery-in-the-nano-era-an-overview-and-perspectives-review
#3
Zhen Li, Shirui Tan, Shuan Li, Qiang Shen, Kunhua Wang
Nanomaterials are increasingly used as drug carriers for cancer therapy. Nanomaterials also appeal to researchers in the areas of cancer diagnosis and biomarker discovery. Several antitumor nanodrugs are currently being tested in preclinical and clinical trials and show promise in therapeutic and other settings. We review the development of nanomaterial drug carriers, including liposomes, polymer nanoparticles, dendritic polymers, and nanomicelles, for the diagnosis and treatment of various cancers. The prospects of nanomaterials as drug carriers for future clinical applications are also discussed...
June 14, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28627516/cooperative-tumour-cell-membrane-targeted-phototherapy
#4
Heegon Kim, Junsung Lee, Chanhee Oh, Ji-Ho Park
The targeted delivery of therapeutics using antibodies or nanomaterials has improved the precision and safety of cancer therapy. However, the paucity and heterogeneity of identified molecular targets within tumours have resulted in poor and uneven distribution of targeted agents, thus compromising treatment outcomes. Here, we construct a cooperative targeting system in which synthetic and biological nanocomponents participate together in the tumour cell membrane-selective localization of synthetic receptor-lipid conjugates (SR-lipids) to amplify the subsequent targeting of therapeutics...
June 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28626402/effect-of-the-combination-of-trabectedin-and-pegylated-liposomal-doxorubicin-in-a-brca2-mutation-carrier-with-recurrent-platinum-sensitive-ovarian-cancer
#5
María Jesús Rubio Pérez
INTRODUCTION: The current standard of care for ovarian cancer is optimal cytoreduction with adjuvant chemotherapy based on a platinum/taxane combination. Although the response rate to this therapy is high, most patients ultimately relapse. Response to second-line therapy and prognosis are linked to the platinum-free interval (PFI); when both improve, the PFI increases. As a result, there is an increasing interest in the PFI extension strategies including platinum-free combinations. CASE PRESENTATION: A 50-year-old postmenopausal woman presented with ovarian serous carcinoma with peritoneal carcinomatosis...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28624193/mir-375-and-doxorubicin-co-delivered-by-liposomes-for-combination-therapy-of-hepatocellular-carcinoma
#6
Yin-Ping Fan, Jia-Zhi Liao, Ya-Qi Lu, De-An Tian, Feng Ye, Peng-Xuan Zhao, Guang-Ya Xiang, Wang-Xian Tang, Xing-Xing He
Doxorubicin (DOX) is one of the most frequently used anti-cancer drugs and the front line option for hepatocellular carcinoma (HCC) treatment. However, the clinical applications of DOX are restricted largely due to its toxicity and chemoresistance. Here, we report that miR-375 and DOX were co-delivered by liposomes (named L-miR-375/DOX-NPs) for combination therapy of HCC and drug resistance reversion of DOX. In vitro, L-miR-375/DOX-NPs could deliver DOX and miR-375 efficiently and simultaneously into HCC cells and ensure the successful release of mature miR-375 and DOX...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28624137/effect-of-tlr-ligands-co-encapsulated-with-multiepitopic-antigen-in-nanoliposomes-targeted-to-human-dcs-via-fc-receptor-for-cancer-vaccines
#7
Felix Rueda, Christina Eich, Begoña Cordobilla, Pere Domingo, Gerardo Acosta, Fernando Albericio, Luis J Cruz, Joan C Domingo
Nanoliposomes (NLs) hold promise as new highly specific nanomedicine for anti-tumor vaccines, since they could be targeted to specific receptors on dendritic cell (DC) to induce maturation and activation and increase the anti-tumor immune response. Here we studied a NLs formulation targeted or not to FcR (the receptor for the IgG Fc fragment) for the treatment of androgen-responsive prostate cancer. Luteinizing-hormone-releasing hormone (LHRH) peptide (B- and T-cell epitopes), in tandem with a tetanus toxoid T-helper epitope (830-844 region) and several TLR (Toll-Like Receptor) ligands as adjuvants were co-encapsulated...
June 10, 2017: Immunobiology
https://www.readbyqxmd.com/read/28622171/reactions-to-cytostatic-agents-in-children
#8
Josefina R Cernadas
PURPOSE OF REVIEW: The current review will focus on drug hypersensitivity reactions to chemotherapy specifically to those drugs most used in children. We know that potentially all chemotherapeutic agents can cause infusion reactions, generally defined as adverse drug reactions. Of these, some are Type A, defined as expected and described in the characteristics of the drug and others, and Type B, defined as unexpected reactions which cannot be explained by the known toxicity profile of the drug...
June 14, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28620958/a-network-meta-analysis-of-primary-prophylaxis-for-invasive-fungal-infection-in-haematological-patients
#9
REVIEW
L P Leonart, F S Tonin, V L Ferreira, S T S Penteado, A Wiens, F A Motta, R Pontarolo
WHAT IS KNOWN AND OBJECTIVE: Antifungal prophylaxis is an option to reduce the incidence of invasive fungal infection (IFI) in haematological patients. To date, no network meta-analysis (NMA) of high-quality evidence (double-blind randomized controlled trials) has been performed on this subject. This systematic review and NMA aimed to evaluate the safety and efficacy of different antifungal agents used for prophylaxis of IFI in patients with haematological disorders. METHODS: A systematic review was performed according to PRISMA and Cochrane recommendations...
June 15, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28615943/the-use-of-functional-epirubicin-liposomes-to-induce-programmed-death-in-refractory-breast-cancer
#10
Lei Liu, Li-Min Mu, Yan Yan, Jia-Shuan Wu, Ying-Jie Hu, Ying-Zi Bu, Jing-Ying Zhang, Rui Liu, Xue-Qi Li, Wan-Liang Lu
Currently, chemotherapy is less efficient in controlling the continued development of breast cancer because it cannot eliminate extrinsic and intrinsic refractory cancers. In this study, mitochondria were modified by functional epirubicin liposomes to eliminate refractory cancers through initiation of an apoptosis cascade. The efficacy and mechanism of epirubicin liposomes were investigated on human breast cancer cells in vitro and in vivo using flow cytometry, confocal microscopy, high-content screening system, in vivo imaging system, and tumor inhibition in mice...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28607485/exosomes-facilitate-therapeutic-targeting-of-oncogenic-kras-in-pancreatic-cancer
#11
Sushrut Kamerkar, Valerie S LeBleu, Hikaru Sugimoto, Sujuan Yang, Carolina F Ruivo, Sonia A Melo, J Jack Lee, Raghu Kalluri
The mutant form of the GTPase KRAS is a key driver of pancreatic cancer but remains a challenging therapeutic target. Exosomes are extracellular vesicles generated by all cells, and are naturally present in the blood. Here we show that enhanced retention of exosomes, compared to liposomes, in the circulation of mice is likely due to CD47-mediated protection of exosomes from phagocytosis by monocytes and macrophages. Exosomes derived from normal fibroblast-like mesenchymal cells were engineered to carry short interfering RNA or short hairpin RNA specific to oncogenic Kras(G12D), a common mutation in pancreatic cancer...
June 7, 2017: Nature
https://www.readbyqxmd.com/read/28603607/co-delivery-of-carboplatin-and-paclitaxel-via-cross-linked-multilamellar-liposomes-for-ovarian-cancer-treatment
#12
Xiaoyang Zhang, Yarong Liu, Yu Jeong Kim, John Mac, Rachel Zhuang, Pin Wang
Carboplatin (CPT) and paclitaxel (PTX) used in combination is one of the most effective treatments for ovarian cancer. However, the traditional combination methods used to co-administrate CPT and PTX showed limited clinical efficacy due to their distinct pharmacokinetics. Although much effort has been devoted to developing nanoparticles capable of encapsulating drugs with different lipophilicites, co-delivery of carboplatin with paclitaxel by a single nanoparticle has rarely been reported. Here, we encapsulated and delivered this drug combination to ovarian cancer cells at a controlled ratio by a previously reported crosslinked multilamellar liposome vesicle (cMLV)...
April 3, 2017: RSC Advances
https://www.readbyqxmd.com/read/28603338/nrp1-transport-of-cancer-therapeutics-mediated-by-tumor-penetrating-peptides
#13
Qixin Leng, Martin C Woodle, A James Mixson
Whereas uptake of low molecular weight agents is generally inhibited in tumors due to high interstitial pressure, tumor uptake of macromolecules is increased due to enhanced permeability and retention (EPR). Small molecule drugs alone or incorporated in nanoparticles (NP) have largely been dependent on such physical tumor uptake (passive) for therapeutic activity. Although passive targeted NP such as Stealth Liposomal Doxorubicin (Doxil ®) are effective with improved safety, drug delivery to tumors is still significantly limited...
February 2017: Drugs of the Future
https://www.readbyqxmd.com/read/28602164/second-line-chemotherapy-for-advanced-pancreatic-cancer-which-is-the-best-option
#14
REVIEW
Giuseppe Aprile, Francesca V Negri, Francesco Giuliani, Elisa De Carlo, Davide Melisi, Francesca Simionato, Nicola Silvestris, Oronzo Brunetti, Francesco Leone, Donatella Marino, Daniele Santini, Emanuela Dell'Aquila, Tea Zeppola, Marco Puzzoni, Mario Scartozzi
Despite recent biological insight and therapeutic advances, the prognosis of advanced pancreatic cancer still remains poor. For more than 15 years, gemcitabine monotherapy has been the cornerstone of first-line treatment. Recently, prospective randomized trials have shown that novel upfront combination regimens tested in prospective randomized trials have resulted in improved patients' outcome increasing the proportion of putative candidate to second-line therapy. There is no definite standard of care after disease progression...
July 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28600223/-nano-in-nano-hybrid-liposomes-increase-target-specificity-and-gene-silencing-efficiency-in-breast-cancer-induced-scid-mice
#15
Dhiraj Bhavsar, Krishnakumar Subramanian, Swaminathan Sethuraman, Uma Maheswari Krishnan
Gene silencing has immense potential in the treatment of cancer. However, enhancement of its efficiency requires the development of specifically targeted and safe carrier systems. Cationic carriers are generally limited by their immunogenicity. Hence, in this study, we report hybrid liposomes encapsulating Poly (L-lysine)-siRNA complex to silence epithelial cell adhesion molecule (EpCAM), highly expressed in epithelial cancers. The hybrid liposomes LL1 (Egg PC:DSPE-PEG, 10:0) and hybrid immunoliposomes LL2 (Egg PC:DSPE-PEG, 8:2) linked with EpCAM antibody as the targeting ligand showed an encapsulation efficiency of 70% and 86%, respectively...
June 6, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28598082/-expression-of-micro-rna-218-in-cervical-cancer-and-its-effect-on-proliferation-apoptosis-and-invasion-of-hela-cells
#16
Yu-Rong Shi, Jian Liu, Wei He, Yin Yang
OBJECTIVES: To investigate the expression and clinical significance of microRNA-218(miR-218)in human cervical cancer and the effects ofmiR-218 on proliferation, cell apoptosis and invasion of HeLa cells. METHODS: QRT-PCR was used to detect the expression ofmiR-218 in 23 cases of normal cervical tissues and 114 cases of cervical cancer, and the relationship between the expression and the clinicopathological features was analyzed; HeLa cells were devided into three groups: non transfection (control group), transfected with empty liposomes negative control goup (NC group), transfected with miR-218 mimic (miR-218M group)...
September 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28598080/-expression-of-cxcr7-in-gastric-cancer-cells-and-its-effect-on-the-migration-and-invasion-of-sgc-7901-cells
#17
Hai-Tao Shi, A-Meng Shi, Yan Wang, Lei Dong, Gang Zhao, Yong Li, Xiao-Lan Lu
OBJECTIVES: To determine the expression of chemokine (C-X-C motif) receptor 7 (CXCR7) in five gastric cancer cell lines with various degrees of differentiation, and the effect of silencing CXCR7 on the migration and invasion of SGC-7901 cells. METHODS: The expression of CXCR7 in gastric cell lines (HGC-27, MGC-803, SGC-7901, BGC-823 and MKN-28) was detected by Western bolt and RT-PCR. The SGC-7901 cells were transfected with liposome of CXCR7 siRNA to silence CXCR7 gene, and then treated with stromal-derived factor-1 (SDF-1)-the ligand of CXCR7...
September 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28596489/nanobubbles-as-ultrasound-contrast-agent-for-facilitating-small-cell-lung-cancer-imaging
#18
Jin-Ping Wang, Xiao-Lin Zhou, Ji-Ping Yan, Rong-Qin Zheng, Wei Wang
BACKGROUND: This study is to investigate whether liposome-loaded nanobubbles (NBs) have the potentials to carry anti-pro-gastrin releasing peptide (proGRP) antibody and enhance ultrasound imaging of small cell lung cancer (SCLC). METHODS: NBs were loaded with an antibody against SCLC (H446 cell line). A nude mouse model of SCLC tumor was established by a subcutaneous injection of tumor cell suspension in the dorsal skin. Images for contrast-enhanced ultrasound (CEUS) of xenograft tumors in the model were obtained through an intravenous injection of blank and targeting NBs...
May 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28596014/designing-food-structure-and-composition-to-enhance-nutraceutical-bioactivity-to-support-cancer-inhibition
#19
REVIEW
David Julian McClements, Hang Xiao
Many types of bioactive molecules found in foods ("nutraceuticals") have been shown to exert anticancer activities, including curcumin, resveratrol, polyphenols, sulforaphane, anthocyanins, genistein, quercetin and lycopene. The potential health benefits of nutraceuticals are often not realized because of their poor water solubility, chemical instability, adverse taste profile, and low oral bioavailability. Carefully designed food matrices are being developed to overcome these problems. Nutraceuticals can be isolated from their natural environment, and then incorporated into functional foods, often with the help of delivery systems (such as emulsions, nanoemulsions, liposomes, biopolymer nanoparticles, and microgels)...
June 5, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28595562/non-viral-delivery-systems-for-breast-cancer-gene-therapy
#20
Golnaz Vaseghi, Laleh Rafiee, Shaghayegh Haghjooy Javanmard
INTRODUCTION: The ever-evolving field of gene therapy promises several innovative treatments for cancer. Advances in genetic modification of tumor cells and micro environment have led to the development of more effective therapeutic strategies with fewer side effects. MATERIAL & METHODS: The development of effective delivery system challenges, remains. Non-viral vectors are interesting due to their bio-safety and their ability to transfer different types of nucleic acids...
June 6, 2017: Current Gene Therapy
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